:root {
  --bg: #090b0e;
  --surface: #11141a;
  --surface-hover: #161b22;
  --border: #222733;
  --border-light: #303746;
  --text-main: #f0f3f6;
  --text-muted: #8993a4;
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.1);
  --warning: #ffb020;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding: 0;
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #fff;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.brand-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-main);
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px 24px;
}

.hero {
  margin-bottom: 48px;
}

.badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-light);
  background: var(--surface);
  padding: 4px 10px;
  margin-bottom: 20px;
}

.main-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: #ffffff;
}

.subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.5;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text-main);
  color: var(--bg);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  border: 1px solid var(--text-main);
  border-radius: 0;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.9;
  color: var(--bg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text-main);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-light);
  color: #fff;
}

.section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.card-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.notice-box {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.notice-box strong {
  color: var(--text-main);
}

/* Policy Content Styling */
.policy-body h2 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-top: 32px;
  margin-bottom: 12px;
}

.policy-body p {
  color: var(--text-muted);
  margin-bottom: 14px;
}

.policy-body ul {
  list-style: square;
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.policy-body li {
  margin-bottom: 8px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 16px;
}